Md. Code, Environment § 9–233

The Department may not issue a permit to install, materially alter, or materially extend a sewage sludge composting facility or a sewage sludge storage facility until:

(1) The sewage sludge composting facility or sewage sludge storage facility meets all zoning and land use requirements of the county where the sewage sludge composting or storage facility is to be located; and

(2) In the case of a sewage sludge composting facility, the Department has a written statement that the board of county commissioners or the county council of the county where the sewage sludge composting facility is to be located does not oppose the issuance of the permit.